/*
 *
 * jqTransform
 * by mathieu vilaplana mvilaplana@dfc-e.com
 * Designer ghyslain armand garmand@dfc-e.com
 *
 *
 * Version 1.0 25.09.08
 * Version 1.1 06.08.09
 * Add event click on Checkbox and Radio
 * Auto calculate the size of a select element
 * Can now, disabled the elements
 * Correct bug in ff if click on select (overflow=hidden)
 * No need any more preloading !!
 * 
 ******************************************** */
 
(function($){
	var defaultOptions = {preloadImg:true};
	var jqTransformImgPreloaded = false;

	var jqTransformPreloadHoverFocusImg = function(strImgUrl) {
		//guillemets to remove for ie
		strImgUrl = strImgUrl.replace(/^url\((.*)\)/,'$1').replace(/^\"(.*)\"$/,'$1');
		var imgHover = new Image();
		imgHover.src = strImgUrl.replace(/\.([a-zA-Z]*)$/,'-hover.$1');
		var imgFocus = new Image();
		imgFocus.src = strImgUrl.replace(/\.([a-zA-Z]*)$/,'-focus.$1');				
	};

	
	/***************************
	  Labels
	***************************/
	var jqTransformGetLabel = function(objfield){
		var selfForm = $(objfield.get(0).form);
		var oLabel = objfield.next();
		if(!oLabel.is('label')) {
			oLabel = objfield.prev();
			if(oLabel.is('label')){
				var inputname = objfield.attr('id');
				if(inputname){
					oLabel = selfForm.find('label[for="'+inputname+'"]');
				} 
			}
		}
		if(oLabel.is('label')){return oLabel.css('cursor','pointer');}
		return false;
	};
	
	/* Hide all open selects */
	var jqTransformHideSelect = function(oTarget){
		var ulVisible = $('.jqTransformSelectWrapper ul:visible');
		ulVisible.each(function(){
			var oSelect = $(this).parents(".jqTransformSelectWrapper:first").find("select").get(0);
			//do not hide if click on the label object associated to the select
			if( !(oTarget && oSelect.oLabel && oSelect.oLabel.get(0) == oTarget.get(0)) ){$(this).hide();}
		});
	};
	/* Check for an external click */
	var jqTransformCheckExternalClick = function(event) {
		if ($(event.target).parents('.jqTransformSelectWrapper').length === 0) { jqTransformHideSelect($(event.target)); }
	};

	/* Apply document listener */
	var jqTransformAddDocumentListener = function (){
		$(document).mousedown(jqTransformCheckExternalClick);
	};	
			
	/* Add a new handler for the reset action */
	var jqTransformReset = function(f){
		var sel;
		$('.jqTransformSelectWrapper select', f).each(function(){sel = (this.selectedIndex<0) ? 0 : this.selectedIndex; $('ul', $(this).parent()).each(function(){$('a:eq('+ sel +')', this).click();});});
		$('a.jqTransformCheckbox, a.jqTransformRadio', f).removeClass('jqTransformChecked');
		$('input:checkbox, input:radio', f).each(function(){if(this.checked){$('a', $(this).parent()).addClass('jqTransformChecked');}});
	};

	/***************************
	  Buttons
	 ***************************/
	$.fn.jqTransInputButton = function(){
		return this.each(function(){
                       
                       if( $(this).hasClass('button') == true ) { return; } 
                       if(!($(this).hasClass('noTransform'))){
			var newBtn = $('<button id="'+ this.id +'" name="'+ this.name +'" type="'+ this.type +'" class="'+ this.className +' jqTransformButton"><span><span>'+ $(this).attr('value') +'</span></span>')
				.hover(function(){newBtn.addClass('jqTransformButton_hover');},function(){newBtn.removeClass('jqTransformButton_hover')})
				.mousedown(function(){newBtn.addClass('jqTransformButton_click')})
				.mouseup(function(){newBtn.removeClass('jqTransformButton_click')})
			;
			$(this).replaceWith(newBtn);
                       }
		});
	};
	
	/***************************
	  Text Fields 
	 ***************************/
	$.fn.jqTransInputText = function(){
		return this.each(function(){
			var $input = $(this);
                        
                       
			if($input.hasClass('jqtranformdone') || !$input.is('input')) {return;}                
			$input.addClass('jqtranformdone');
	
			var oLabel = jqTransformGetLabel($(this));
			oLabel && oLabel.bind('click',function(){$input.focus();});
	
			var inputSize=$input.width();
			if($input.attr('size')){
				inputSize = $input.attr('size')*10;
				$input.css('width',inputSize);
			}
			
			$input.addClass("jqTransformInput").wrap('<div class="jqTransformInputWrapper"><div class="jqTransformInputInner"><div></div></div></div>');
			var $wrapper = $input.parent().parent().parent();
			$wrapper.css("width", inputSize+10);
			$input
				.focus(function(){$wrapper.addClass("jqTransformInputWrapper_focus");})
				.blur(function(){$wrapper.removeClass("jqTransformInputWrapper_focus");})
				.hover(function(){$wrapper.addClass("jqTransformInputWrapper_hover");},function(){$wrapper.removeClass("jqTransformInputWrapper_hover");})
			;
	
			/* If this is safari we need to add an extra class */
			$.browser.safari && $wrapper.addClass('jqTransformSafari');
			$.browser.safari && $input.css('width',$wrapper.width()+16);
			this.wrapper = $wrapper;
			
		});
	};
	
	/***************************
	  Check Boxes 
	 ***************************/	
	$.fn.jqTransCheckBox = function(){
		return this.each(function(){
			if($(this).hasClass('jqTransformHidden')) {return;}

			var $input = $(this);
			var inputSelf = this;

			//set the click on the label
                        if(!($input.hasClass('noTransform'))){
                            var oLabel=jqTransformGetLabel($input);
                            oLabel && oLabel.click(function(){aLink.trigger('click');});

                            var aLink = $('<a href="#" class="jqTransformCheckbox"></a>');
                            //wrap and add the link

                            $input.addClass('jqTransformHidden').wrap('<span class="jqTransformCheckboxWrapper"></span>').parent().prepend(aLink);
                            
                            
                            //on change, change the class of the link
                            var ieStep=1;
                            $input.change(function(){
                                    if($.browser.msie){
                                         if((ieStep%2) == 1){$input.trigger("click"); checkStep = 1;} else {ieStep++;}
                                     }
                                 
                                    this.checked && aLink.addClass('jqTransformChecked') || aLink.removeClass('jqTransformChecked');
                                    return true;
                                 
                            });
                            
                            // Click Handler, trigger the click and change event on the input
                           aLink.click(function(){
                                    //do nothing if the original input is disabled
                                    if($input.attr('disabled')){return false;}
                                    //trigger the envents on the input object
                                   //trigger the envents on the input object
                                    if($.browser.msie){
                                    if((ieStep%2) == 0){$input.trigger("click"); checkStep=0;}  
                                        $input.trigger("change");   
                                    }
                                    else {
                                                $input.trigger("click").trigger("change");  
                                            }
                                    ieStep++;
                                    return false;
                            });

                            // set the default state
                            this.checked && aLink.addClass('jqTransformChecked');		
                        }
		});
	};
	/***************************
	  Radio Buttons 
	 ***************************/	
	$.fn.jqTransRadio = function(){
		return this.each(function(){
			if($(this).hasClass('jqTransformHidden')) {return;}

			var $input = $(this);
			var inputSelf = this;
				
			oLabel = jqTransformGetLabel($input);
			oLabel && oLabel.click(function(){aLink.trigger('click');});
	
			var aLink = $('<a href="#" class="jqTransformRadio" rel="'+ this.name +'"></a>');
			$input.addClass('jqTransformHidden').wrap('<span class="jqTransformRadioWrapper"></span>').parent().prepend(aLink);
			
			$input.change(function(){
				inputSelf.checked && aLink.addClass('jqTransformChecked') || aLink.removeClass('jqTransformChecked');
				return true;
			});
			// Click Handler
			aLink.click(function(){
				if($input.attr('disabled')){return false;}
				$input.trigger('click').trigger('change');
	
				// uncheck all others of same name input radio elements
				$('input[name="'+$input.attr('name')+'"]',inputSelf.form).not($input).each(function(){
					$(this).attr('type')=='radio' && $(this).trigger('change');
				});
	
				return false;					
			});
			// set the default state
			inputSelf.checked && aLink.addClass('jqTransformChecked');
		});
	};
	
	/***************************
	  TextArea 
	 ***************************/	
//	$.fn.jqTransTextarea = function(){
//		return this.each(function(){
//			var textarea = $(this);
//
//			if(textarea.hasClass('jqtransformdone')) {return;}
//			textarea.addClass('jqtransformdone');
//
//			oLabel = jqTransformGetLabel(textarea);
//			oLabel && oLabel.click(function(){textarea.focus();});
//
//			var strTable = '<table cellspacing="0" cellpadding="0" border="0" class="jqTransformTextarea">';
//			strTable +='<tr><td id="jqTransformTextarea-tl"></td><td id="jqTransformTextarea-tm"></td><td id="jqTransformTextarea-tr"></td></tr>';
//			strTable +='<tr><td id="jqTransformTextarea-ml">&nbsp;</td><td id="jqTransformTextarea-mm"><div></div></td><td id="jqTransformTextarea-mr">&nbsp;</td></tr>';
//			strTable +='<tr><td id="jqTransformTextarea-bl"></td><td id="jqTransformTextarea-bm"></td><td id="jqTransformTextarea-br"></td></tr>';
//			strTable +='</table>';
//			var oTable = $(strTable)
//					.insertAfter(textarea)
//					.hover(function(){
//						!oTable.hasClass('jqTransformTextarea-focus') && oTable.addClass('jqTransformTextarea-hover');
//					},function(){
//						oTable.removeClass('jqTransformTextarea-hover');
//					})
//				;
//
//			textarea
//				.focus(function(){oTable.removeClass('jqTransformTextarea-hover').addClass('jqTransformTextarea-focus');})
//				.blur(function(){oTable.removeClass('jqTransformTextarea-focus');})
//				.appendTo($('#jqTransformTextarea-mm div',oTable))
//			;
//			this.oTable = oTable;
//			if($.browser.safari){
//				$('#jqTransformTextarea-mm',oTable)
//					.addClass('jqTransformSafariTextarea')
//					.find('div')
//						.css('height',textarea.height())
//						.css('width',textarea.width())
//				;
//			}
//		});
//	};
	
	/***************************
	  Select 
	 ***************************/	
	$.fn.jqTransSelect = function(){
		return this.each(function(index){
			var $select = $(this);
                        
			if($select.hasClass('jqTransformHidden')) {return;}
                        
			if($select.attr('multiple')) {return;}
                        if(!($select.hasClass('noTransform'))){
                            
                        
			var oLabel  =  jqTransformGetLabel($select);
			/* First thing we do is Wrap it */
                        
                            var $wrapper = $select
                                    .addClass('jqTransformHidden')
                                    .wrap('<div class="jqTransformSelectWrapper"></div>')
                                    .parent()
                                    .css({zIndex: 10-index})
                            ;

                            /* Now add the html for the select */
                            $wrapper.prepend('<div><span></span><a href="#" class="jqTransformSelectOpen"></a></div><ul></ul>');
                            var $ul = $('ul', $wrapper).css('width',$select.width()).hide();
                            /* Now we add the options */
                            $('option', this).each(function(i){
                                    var oLi = $('<li><a href="#" index="'+ i +'">'+ $(this).html() +'</a></li>');
                                    $ul.append(oLi);
                            });
                        
                            /* Add click handler to the a */
                            $ul.find('a').click(function(){
                                            $('a.selected', $wrapper).removeClass('selected');
                                            $(this).addClass('selected');	
                                            /* Fire the onchange event */
                                            if ($select[0].selectedIndex != $(this).attr('index') && $select[0].onchange) { $select[0].selectedIndex = $(this).attr('index'); $select[0].onchange(); }
                                            $select[0].selectedIndex = $(this).attr('index');
                                            $('span:eq(0)', $wrapper).html($(this).html());
                                            $ul.hide();
                                            return false;
                            });
                            /* Set the default */
                            $('a:eq('+ this.selectedIndex +')', $ul).click();
                            $('span:first', $wrapper).click(function(){$("a.jqTransformSelectOpen",$wrapper).trigger('click');});
                            oLabel && oLabel.click(function(){$("a.jqTransformSelectOpen",$wrapper).trigger('click');});
                            this.oLabel = oLabel;

                            /* Apply the click handler to the Open */
                            var oLinkOpen = $('a.jqTransformSelectOpen', $wrapper)
                                    .click(function(){
                                            //Check if box is already open to still allow toggle, but close all other selects
                                            if( $ul.css('display') == 'none' ) {jqTransformHideSelect();} 
                                            if($select.attr('disabled')){return false;}

                                            $ul.slideToggle('fast', function(){					
                                                    var offSet = ($('a.selected', $ul).offset().top - $ul.offset().top);
                                                    $ul.animate({scrollTop: offSet});
                                            });
                                            return false;
                                    })
                            ;

                            // Set the new width
                            var iSelectWidth = $select.outerWidth();
                            var oSpan = $('span:first',$wrapper);
                            var newWidth = (iSelectWidth > oSpan.innerWidth())?iSelectWidth+oLinkOpen.outerWidth():$wrapper.width();
                            $wrapper.css('width',newWidth);
                            $ul.css('width',newWidth-2);
                            oSpan.css({width:iSelectWidth});

                            // Calculate the height if necessary, less elements that the default height
                            //show the ul to calculate the block, if ul is not displayed li height value is 0
                            $ul.css({display:'block',visibility:'hidden'});
                            var iSelectHeight = ($('li',$ul).length)*($('li:first',$ul).height());//+1 else bug ff
                            (iSelectHeight < $ul.height()) && $ul.css({height:iSelectHeight,'overflow':'hidden'});//hidden else bug with ff
                            $ul.css({display:'none',visibility:'visible'});
                        }
		});
	};
	$.fn.jqTransform = function(options){
		var opt = $.extend({},defaultOptions,options);
		
		/* each form */
		 return this.each(function(){
			var selfForm = $(this);
			if(selfForm.hasClass('jqtransformdone')) {return;}
			selfForm.addClass('jqtransformdone');
			
			$('input:submit, input:reset, input[type="button"]', this).jqTransInputButton();			
//			$('input:text, input:password', this).jqTransInputText();
			$('input:checkbox', this).jqTransCheckBox();
			$('input:radio', this).jqTransRadio();
//			$('textarea', this).jqTransTextarea();
			
			if( $('select', this).jqTransSelect().length > 0 ){jqTransformAddDocumentListener();}
			selfForm.bind('reset',function(){var action = function(){jqTransformReset(this);}; window.setTimeout(action, 10);});
			
			//preloading dont needed anymore since normal, focus and hover image are the same one
			/*if(opt.preloadImg && !jqTransformImgPreloaded){
				jqTransformImgPreloaded = true;
				var oInputText = $('input:text:first', selfForm);
				if(oInputText.length > 0){
					//pour ie on eleve les ""
					var strWrapperImgUrl = oInputText.get(0).wrapper.css('background-image');
					jqTransformPreloadHoverFocusImg(strWrapperImgUrl);					
					var strInnerImgUrl = $('div.jqTransformInputInner',$(oInputText.get(0).wrapper)).css('background-image');
					jqTransformPreloadHoverFocusImg(strInnerImgUrl);
				}
				
				var oTextarea = $('textarea',selfForm);
				if(oTextarea.length > 0){
					var oTable = oTextarea.get(0).oTable;
					$('td',oTable).each(function(){
						var strImgBack = $(this).css('background-image');
						jqTransformPreloadHoverFocusImg(strImgBack);
					});
				}
			}*/
			
			
		}); /* End Form each */
				
	};/* End the Plugin */

})(jQuery);